Não informado. (1977). Waste management information bulletin. Routledge & Kegan Paul.
Lua i Stíl Chicago (17ú heag.)Não informado. Waste Management Information Bulletin. London: Routledge & Kegan Paul, 1977.
Lua MLA (8ú heag.)Não informado. Waste Management Information Bulletin. Routledge & Kegan Paul, 1977.
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